#include<iostream>
using namespace std;
class Base{
	public:
		int k;
		Base(int n):k(n){}
};
class Big{
	public:
		int v;Base b;
		Big(int val, int baseVal) : v(val), b(baseVal) {}
		Big(const Big& other) : v(other.v), b(other.b.k) {}
};
int main()
{
	Big a1(5);Big a2 = a1;
	cout<<a1.v<<","<<a1.b.k<<endl;
	cout<<a2.v<<","<<a2.b.k<<endl;
	return 0;
}